Merge pull request #1268 from OpenMDAO/dev

dev merge
Merge branch 'dev' of github.com:OpenMDAO/OpenMDAO-Framework
Merge branch 'dev' of github.com:OpenMDAO/OpenMDAO-Framework
Merge branch 'dev' of github.com:OpenMDAO/OpenMDAO-Framework
fix gui PropertiesPane tooltip bug
Merge branch 'dev' into gui
New VarTree syntax works one-level deep (see test_vartree.py).
More cases updated to new VarTree syntax (single-level only so far)
name = VarTree(VariableTree()) syntax works with band-aid for component.connect issue.
Merge branch 'dev' into gui
stop creating a default 'top' assembly in new projects
clean up gui passthroughs frame code
framework variables handled in gui
to italics
fix a test i missed
minor cleanups
Z# Please enter the commit message for your changes. Lines starting
Simplified VariableTree syntax works with published plugins.
fix workflow tests
speed up the gui functional test arg_count function
make gui grid bigger
enable drag and drop of dataflow figure onto workflow figure (test needs fixed)
Merge branch 'dev' of github.com:OpenMDAO/OpenMDAO-Framework into dev
Merge branch 'column_sorting' of github.com:crobinsonut/OpenMDAO-Framework into cal
Cleanup of simplified VarTree syntax.